Index: head/net/aluminum/Makefile
===================================================================
--- head/net/aluminum/Makefile	(revision 531926)
+++ head/net/aluminum/Makefile	(revision 531927)
@@ -1,24 +1,24 @@
 # $FreeBSD$
 
 PORTNAME=	Aluminum
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.3.3
 PORTREVISION=	1
 CATEGORIES=	net
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Generic interface to high-performance communication libraries
 
 LICENSE=	APACHE20
 
 LIB_DEPENDS=	libhwloc.so:devel/hwloc \
 		libmpi.so:net/openmpi
 
-USES=		cmake
+USES=		cmake compiler:c11
 USE_GITHUB=	yes
 GH_ACCOUNT=	LLNL
 USE_LDCONFIG=	yes
 
 LDFLAGS+=	-lexecinfo
 
 .include <bsd.port.mk>